This Problem Set is a part of the Lesson 6, Unit 5, Grade 6. Practice Problems 1. One gallon of gasoline in Buffalo, New York costs $2.29. In Toronto, Canada, one liter of gasoline costs $0.91. There are 3.8 liters in one gallon. How much does one gallon of gas cost in Toronto? Round your answer to the nearest cent. Is the cost of gas greater in Buffaalo or in Toronto? How much greater?